Optical waveguide and optical device based on the same

a technology of optical waveguides and optical devices, applied in the field of optical devices, can solve the problems of optical waveguides showing a sensitive wavelength characteristic change, optical waveguides with different wavelength characteristics from that of designs, and loss and distortion of signals, so as to achieve fine adjustment of wavelength errors and minimize power consumption. , the effect of easy adjustment of wavelength errors
US20150192803A1Inactive Publication Date: 2015-07-09ELECTRONICS & TELECOMM RES INST
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
ELECTRONICS & TELECOMM RES INST
Publication Date
2015-07-09
Estimated Expiration
Not applicable · inactive patent

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Abstract

Disclosed is a technology related to an optical waveguide which is insensitive to an ambient temperature and is capable of adjusting a wavelength error due to a manufacturing processing deviation. The optical waveguide includes: a clad layer positioned on a substrate; a core layer positioned between the substrate and the clad layer, and including patterns positioned in a first region and a second region; and a wavelength adjusting unit positioned in the first region between the substrate and the clad layer, and configured to adjust a wavelength of an optical signal propagated through patterns passing through the first region based on received electric energy, in which the clad layer includes a material having a Thermo-Optic Coefficient (TOC) with an opposite sign to that of a material included in the core layer.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] The present application claims priority to Korean patent application numbers 10−2014−0001917, filed on Jan. 7, 2014 and 10−2014−0086779, filed on Jul. 10, 2014, the entire disclosure of which is incorporated herein in its entirety by reference.BACKGROUND

[0002] 1. Field

[0003] The present invention relates to an optical device, and more particularly, to an optical waveguide and an optical device based on the same.

[0004] 2. Discussion of Related Art

[0005] Signal transmission through electrical connection has a problem in that as a transmission rate is increased, loss and distortion for the signal are increased. Accordingly, in order to solve the aforementioned problem, an optical interconnection technology using an optical signal has recently attracted attentions.

[0006] The optical waveguide is a core technology among base technologies necessary for implementing an optical connection technique, and an optical waveguide using a silicon material ha...

Claims

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